CN1152335C - Authoring device and authoring method for creating multimedia files - Google Patents

Abstract

An authoring device and method for creating multimedia files, generating multimedia product source files, the device includes: an editor, loading graphics, audio and text files, generating audio files in response to a first control signal, and synchronously generating audio files in response to playback The second and third control signals are used to play back graphics and text files; the control signal generator generates the first to third control signals; the storage unit; and the multimedia file generator. Wherein the editor also includes: an audio playback device that responds to the first control signal to play back audio files; a continuous image list generator that creates an image list; a graphics playback device that responds to the second control signal and displays the images registered in the image list in the graphics window. an image; a text adjuster for automatically arranging the text; and a text playback device for displaying the text in the text window in response to the third control signal. Through the above authoring device and method, users using the Internet can easily create music videos and digital photo albums.

Description

Authoring device and authoring method for creating multimedia files

technical field

The present invention relates to an authoring tool, more specifically, an authoring device and an authoring method for creating multimedia files played back by a multimedia player.

Background technique

Recently, multimedia players for simultaneously playing back audio, video, and text files are widely used. After such a multimedia player is installed in the computer, it can be executed. A sound card, a graphics card, and an application program for playback of multimedia files are installed in the computer. In addition, a multimedia player can be implemented as a multimedia device that only plays back multimedia files. Users can watch images or texts while listening to audio by executing required multimedia files through computers or multimedia devices.

According to the development of multimedia, in addition to a multimedia player for playing back previously created multimedia files, an authoring tool that enables users to create multimedia files is required.

Contents of the invention

An object of the present invention is to provide an authoring device for creating multimedia files that enables users to easily create source files of multimedia products for playback of graphic files, audio files, and text files using a multimedia file format.

Another object of the present invention is to provide an authoring method for creating multimedia files, which method is executed by the above-mentioned device and can use a user interface.

Correspondingly, in order to achieve the first object, a kind of authoring equipment for creating multimedia files is provided to generate source files of multimedia products, the equipment includes: an editor for loading in a computer designated by the user A graphics file, an audio file and a text file selected by the file location, an audio file is generated in response to the first control signal, and the graphics file and the text file are respectively played back in response to the second and third control signals; a control a signal generator for checking the playback time information of the loaded audio file, and also for generating the first to third control signals; a storage unit for storing graphic images and audio and text data played back by the editor; and A multimedia file generator for generating a multimedia file from stored data using a predetermined format, wherein: the first control signal is used to control the start and end of the audio, and the second and third control signals are related to the playback audio The files are generated synchronously; and wherein said editor also includes: an audio playback device for replaying the audio files in response to the first control signal; a continuous image list generator for sequentially loading graphic files to the user An image list is created in a predetermined order set; a graphic player for sequentially displaying the images registered in the image list one by one in response to the second control signal in a graphic window of the screen executing the user interface; a a text adjuster for automatically arranging the text of the loaded text file in units of lines of a predetermined number of pixels set by the user; The number of lines to display text in the text window on the screen.

To achieve the second purpose, a creative method for creating multimedia files is provided, which generates source files of multimedia products, said method comprising the steps of: (a) loading a selected file location in a computer designated by the user graphics file, an audio file, and a text file; (b) when the user selects a button provided on the screen executing the user interface, an audio file is played back, and the graphics and text files are played back; (c) the graphics image played back is stored and audio and text data; and (d) generating a multimedia file from the stored data using a predetermined format, wherein: in step (b), when the user selects an audio playback start button provided on the screen executing the user interface, with The audio playback synchronously plays back the graphics and text files; and wherein said step (b) further includes the step of: (b1) creating an image list of the graphics files loaded sequentially in an order predetermined by the user, and with the predetermined order set by the user Arrange the text in the loaded text file in line units of the number of pixels; (b2) playback an audio file, and display the start graphic image and the start line text synchronously with the playback; and (b3) communicate with the start line at a preset time interval The audio playback sequentially displays the next image registered in the image list and the next text in line units in synchronization.

For realizing the second purpose, also provide a kind of authoring method for creating multimedia file, produce the source file of multimedia product, described method comprises the step: (a) the selected A graphic file, an audio file, and a text file; (b) when the user selects a button provided on a screen executing the user interface, an audio file is played back, and the graphic and text files are played back; (c) the played back graphic is stored image and audio and text data; and (d) generating a multimedia file from the stored data using a predetermined format, wherein: in step (b), when the user selects an audio playback start button provided on the screen executing the user interface, Playing back said graphics and text files synchronously with audio playback; and wherein said step (b) further includes the step of: (b1) creating an image list of graphics files loaded sequentially in an order predetermined by the user, and Arranging the text in the loaded text file in line units of a predetermined number of pixels; (b2) playing back an audio file, and displaying the start graphic image and the start line text synchronously with the audio playback; and (b3) when the user selects the text on the screen When the switch to next image button and switch to next text button provided above, the next image registered in the image list and the next text in line units are displayed in sequence.

According to the authoring device and method for creating multimedia files of the present invention, it is possible to provide source files for various multimedia products, and it is possible for Internet users to easily create music videos and digital photo albums.

Description of drawings

The above objects and advantages of the present invention will become more apparent by describing in detail a preferred embodiment with reference to the accompanying drawings, in which:

Fig. 1 is a block diagram of an authoring device for creating a multimedia file according to a preferred embodiment of the present invention;

2A and 2B show a preferred embodiment of the computer screen format of the authoring method according to the present invention; and

Figures 3A and 3B show actual computer screens corresponding to Figures 2A and 2B.

Detailed ways

An authoring device and an authoring method for creating multimedia files according to the present invention will be described below with reference to the attached drawings.

According to a kind of authoring tool realized by the present invention, create the source file of multimedia product, be used for synchronously playing back graphics file, text file, and audio file, preferably use a kind of synchronous multimedia integration language (synchronous multimedia integration language, SMIL) Format. In addition, user-created music video files or image files can be played back on a computer screen due to the inclusion of an emulation function.

FIG. 1 is a block diagram of an authoring device for creating a multimedia file according to a preferred embodiment of the present invention.

The authoring device shown in Fig. 1 includes: a graphics file input unit 110, a continuous image list creator 112 and a graphics playback device 114 for editing graphics files; an audio file input unit 120 and an audio playback device 122 for editing audio files; A text file input unit 130, a text adjuster 132, and a text playback device 134 for editing a text file; a control signal generator 140 for controlling the operation timing of the playback device; a storage unit 150 and a multimedia storage unit for storing the output of the playback device a file generator 160; and an emulator 180.

The Synchronized Multimedia Integration Language (SMIL) applied to the present invention is a multimedia layout language provided by the World Wide Web Consortium (W3C), and is an application of the Extensible Markup Language with the World Wide Web text format. The SMIL language integrates multimedia information, such as text, audio, images, and moving images, and synchronizes corresponding information items with each other. The authoring device according to the present invention has an editing function for producing and editing files in the SMIL format supported by multimedia products, and also has a playback function for using synchronous information to display previously input data during the editing process, and a simulation function.

Referring to FIG. 1, the graphic file input unit 110 loads graphic files selected by a user in a directory of a computer or a website on the Internet, for example, various graphic files such as BMP, JPG, and GIF files. The sequential image list creator 112 creates a list of loaded individual graphic files in the order in which the graphic files are input. However, when the user sets a predetermined order, the creation order of the list is set by the user.

Information items for individual images are always tracked internally in order to create lists. The user can add additional image effects to each image in the list. For example, users can set fade in, wipe in, and zoom in effects as well as the duration of the effects.

The audio file input unit 120 loads an audio file selected by the user from a file location designated by the computer. The type, playback time and size of the loaded audio file can prompt the user.

The text file input unit 130 loads a text file selected by the user from a file location designated by the computer. The text aligner 132 automatically aligns text in the loaded text file in predetermined units that can be played back by the playback device, for example, in line units. When the user sets the number of pixels that can be displayed in a line, the text adjuster automatically arranges the text according to the set number.

Graphics player 114 , audio player 122 and text player 134 operate according to respective control signals generated by control signal generator 140 . The audio player 122 plays back the loaded audio files. The start and end of audio playback are determined by the first control signal generated by the control signal generator 140 . The graphics player 114 displays the images registered in the list one by one in order. The duration of continuous display of an image is determined by the second control signal generated by the control signal generator 140 . The text player 134 sequentially displays the arranged text in line units. The duration of the continuous display of the current text is determined by the third control signal generated by the control signal generator 140 .

The control signal generator 140 can automatically generate the first to third control signals so that by checking the information in the audio file, that is, the playback time, the number of graphic images to be displayed during the playback time, and the line number of the arranged text, And by calculating the continuous display duration of an image and current text, graphics, audio and text can be played back synchronously with each other.

The storage unit 150 stores graphics, audio, and text generated by the graphics player 114, the audio player 122, and the text player 134 in a mutually synchronized manner. The multimedia file generator 160 generates a multimedia file from the stored data, preferably using the SMIL format, and outputs the generated multimedia file to the multimedia player 170 or the emulator 180 in response to a selection signal of the control signal generator 140 . This is determined by the user's choice. The emulator 180 plays back the multimedia file generated by the multimedia file generator 160 directly on the computer screen.

2A and 2B show a preferred embodiment of computer screen structure according to the authoring method of the present invention. Figure 2A shows the start screen and Figure 2B shows the edit screen. Figures 3A and 3B show the structure of a computer screen corresponding to the actual implementation of Figures 2A and 2B.

In FIG. 2A , a home screen 210 basically includes a graphics window 212 , a text window 214 and an audio window 216 . Various graphic files loaded in the path specified by the user are displayed in the graphic window 212 in the order of graphic input or in the order set by the user.

In FIG. 3A , corresponding to the graphics window 212 , a graphics file list is displayed on the screen 1 . Graphics files are displayed on the screen in the same order as they appear in the image list. The order of graphic files can be changed using mouse drag and drop. In addition, when the right mouse button is clicked on an image, a popup menu is additionally displayed on the left.

Using the pop-up menu, users can set various image output types and effects, such as fade in/out (fade out), zoom in/out (zoom out) and wipe in/out (wipe out), and specify the effective time (eg, once in 1 second, 2 seconds, 3 seconds, and 5 seconds). Image of the previous in effect menu displayed when the right mouse button is clicked on the left side of the image. When the right mouse button is clicked on the right side of the image, the image of the latter effect (out effect) menu is displayed.

In addition, the graphic window 210 can further include buttons 2 to 6 having functions of adding/deleting the image list, as shown in FIG. 3A . When the mouse clicks these buttons, a window for loading graphic files is displayed, and the user inserts the selected graphic file into the previous image list, or deletes the selected graphic file from the previous image list.

For example, when the user selects an image in the image list on the screen 1, and then selects new images by the first button 2, these new images are just added in front of the currently selected image in the image list. The new image selected by the second button 3 is added right after the image currently selected in the image list. New images selected by the third button 4 and the fourth button 5 are added at the head and tail of the image list, respectively. When the fifth button 6 is clicked, the currently selected image in the image list is deleted.

In FIG. 2A , text files loaded on a path designated by a user are automatically arranged and displayed in a text window 214 of a home screen 210 . In addition, the user can directly operate on the text window 214 . The user can extract an audio file from the specified path through the audio window 216, and the audio information 218 of the file is displayed on the audio window 216.

Referring to FIG. 3A , related to the text window 214 and the audio window 218 , corresponding to the text window 214 , the screen 8 also includes a text file open button 7 and an audio file open button 11 . When the user clicks on the button 7 and loads the text file, the content of the text file is displayed on the screen 8 . At this time, the text is arranged in line units according to the number of characters that can be displayed in one line. In addition, the user loads the audio file by clicking the button 11 .

In addition, the initial screen shown in Fig. 3A also includes: emulation button 9, is used to display a multimedia file edited before, preferably SMIL file; Edit button 10, is used to let the user input time information together with image list and text ; Button 12, used to load an existing SMIL file; Save button 13, used to store the currently edited SMIL file; and button 14, used to exit.

In Fig. 2B, editing screen 220 basically comprises: the graphics window 222 of current playback; Next image list window 224; Next text window 226; Time status display window 228; Audio playback start button 230; Audio stop button 232; button 234 to next image; button 236 to switch to next text; store button 238;

When the user clicks the audio playback start button 230 , the initial image is displayed in the current playback graphics window 222 . The images registered in the next image list 224 are sequentially displayed at previously set time intervals in synchronization with audio playback.

When the user clicks the audio playback start button 230, the text of the start line is displayed in the current playback text window, which is included in the current playback graphics window 222 or includes an additional screen. The text in units of lines provided in the next text window 226 is sequentially displayed in synchronization with audio playback at previously set time intervals.

At this time, the image registered in the next image list 224 and the text in line units provided in the next text window 226 can be set so that when the user directly clicks the switch to the next image button 234 and switches to the next When the text button 236 is pressed, it is displayed on the current playback graphics window 222 and the current playback text window in sequence.

When the user directly clicks to switch to the next image button 234 and switch to the next text button 236, the information of the selected next image and text is internally converted into graphics and text and the time and graphics and text to start playback. The duration of playback in SMIL format, and this information is recorded. On the basis of repeating the above operations to complete the audio, graphics and text, and generate the SMIL file, at this point in time, click the store button 230 to store the played back audio, graphics and text.

In FIG. 2B, the time status display window 228 displays the remaining audio playback time. For example, when loading an audio file of 3 minutes and 50 seconds, the displayed audio playback time decreases from 3:50 to 0:00 in seconds. When the SMIL file is generated, the edit screen 220 returns to the home screen 210, and emulation is performed as in the multimedia player (see FIG. 3A showing FIG. 2A in detail, where there is an emulation button 9).

As described above, in the authoring device and method for creating multimedia files according to the present invention, it is possible to provide source files for various multimedia products, and in particular, it is possible for users using the Internet to easily create music videos and digital photo album.

Claims (9)

1. An authoring device for creating a multimedia file, which produces a source file of a multimedia product, said device comprising: an editor for loading a graphics file selected by a file location in a computer designated by a user, a an audio file and a text file to generate an audio file in response to a first control signal, and to play back a graphic file and a text file respectively in response to a second and third control signal; a control signal generator for checking the loaded The playback time information of the audio file is also used to generate the first to third control signals; a storage unit is used to store graphic images and audio and text data played back by the editor; and a multimedia file generator is used to use a predetermined A format for generating multimedia files from stored data, characterized by: The first control signal is used to control the start and end of the audio, and the second and third control signals are generated synchronously with playback of the audio file; and Where said editor also includes: an audio playback device for playing back audio files in response to the first control signal; a sequential image list generator for creating image lists in a predetermined order set by the user with respect to sequentially loaded graphic files; a graphics playback device for sequentially displaying the images registered in the image list in a one-to-one correspondence in a graphics window of the screen executing the user interface in response to the second control signal; a text adjuster for automatically arranging the text of the loaded text file in units of a predetermined number of lines of pixels set by the user; and A text player for displaying text in a text window on the screen in units of a predetermined number of lines in response to the third control signal. 2. The device as claimed in claim 1, wherein the control signal generator checks the playback duration of the audio file, the number of graphic images that need to be displayed within the playback duration and the number of lines of the adjusted text, calculates the image and current text The desired duration is continuously displayed, and the first to third control signals are automatically generated when the control signal generator is set to an automatic mode. 3. The apparatus of claim 1, wherein when the control signal generator is set to a manual mode, the control signal generator generates the first to third control signals at time intervals required by a user. 4. The apparatus of claim 1, wherein the authoring device for creating the multimedia file further comprises an emulator for playing back the multimedia file directly created by the user through the file generator on the screen executing the user interface. 5. The apparatus of claim 1, wherein the format is Synchronized Multimedia Integration Language (SMIL) format. 6. A creative method for creating a multimedia file, which produces a source file of a multimedia product, said method comprising the steps of: (a) loading a graphics file, an audio file and a selected file location in a computer designated by the user a text file; (b) playback of an audio file when the user selects a button provided on the screen executing the user interface, and playback of graphic and text files; (c) storing the played back graphic images and audio and text data; and (d) generating a multimedia file from stored data using a predetermined format, characterized in that: In step (b), when the user selects an audio playback start button provided on a screen executing the user interface, the graphic and text files are played back synchronously with the audio playback; and Wherein said step (b) also includes the following steps: (b1) creating an image list of sequentially loaded graphics files in a sequence predetermined by the user, and arranging the text in the loaded text file in line units of the predetermined number of pixels set by the user; (b2) playing back an audio file, displaying the start graphic image and the start line text synchronously with the playback; and (b3) The next image registered in the image list and the next text in units of lines are sequentially displayed at predetermined time intervals in synchronization with audio playback. 7. The method of claim 6, wherein the predetermined format in step (d) is Synchronized Multimedia Integration Language (SMIL) format. 8. A creative method for creating a multimedia file, which produces a source file of a multimedia product, said method comprising the steps of: (a) loading a graphic file, an audio file and a selected file location in a computer designated by the user a text file; (b) playback of an audio file when the user selects a button provided on the screen executing the user interface, and playback of graphic and text files; (c) storing the played back graphic images and audio and text data; and (d) generating a multimedia file from stored data using a predetermined format, characterized in that: In step (b), when the user selects an audio playback start button provided on a screen executing the user interface, the graphic and text files are played back synchronously with the audio playback; and Wherein said step (b) also includes the following steps: (b1) creating an image list of sequentially loaded graphics files in a sequence predetermined by the user, and arranging the text in the loaded text file in line units of the predetermined number of pixels set by the user; (b2) playing back an audio file, displaying the start graphic image and the start line text synchronously with the audio playback; and (b3) When the user selects a switch to next image button and a switch to next text button provided on the screen, sequentially display the next image and the next text in line units registered in the image list. 9. The method of claim 8, wherein the predetermined format in step (d) is Synchronized Multimedia Integration Language (SMIL) format.

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